CVE-2026-2863 identifies a path traversal vulnerability in the deleteFile method of the FileServiceImpl.java file within the feng_ha_ha ssm-erp and production_ssm software products. The flaw arises from insufficient validation or sanitization of file path inputs, enabling an attacker to craft malicious requests that traverse directories outside the intended file scope. This can lead to deletion of arbitrary files on the server, potentially affecting system stability, data integrity, and availability. The vulnerability can be exploited remotely without authentication or user interaction, increasing its risk profile. The affected software is delivered via continuous delivery with rolling releases, making it difficult to pinpoint specific vulnerable versions or confirm patch availability. The vendor has been informed but has not issued a fix or response. The CVSS 4.0 vector indicates network attack vector, low attack complexity, no privileges or user interaction required, and partial impact on integrity and availability. While no active exploitation has been confirmed, a public exploit exists, increasing the likelihood of future attacks. The dual branding of the product under different names may complicate detection and mitigation efforts.

The primary impact of this vulnerability is unauthorized deletion of files on affected servers, which can lead to data loss, disruption of ERP operations, and potential denial of service. Deleting critical configuration or data files could impair business processes, cause downtime, and require costly recovery efforts. Since the vulnerability can be exploited remotely without authentication, attackers can leverage it to compromise systems at scale. The partial impact on integrity and availability means that while confidentiality is not directly affected, the reliability and continuity of ERP services are at risk. Organizations relying on ssm-erp or production_ssm for enterprise resource planning may face operational interruptions, financial losses, and reputational damage if exploited. The lack of vendor response and patch availability prolongs exposure, increasing the window for attackers to develop and deploy exploits.

1. Implement strict input validation and sanitization on all file path parameters, especially in the deleteFile function, to prevent directory traversal sequences such as '../'. 2. Employ allowlisting of permissible file paths and restrict file operations to designated directories only. 3. Monitor and log file deletion requests to detect anomalous or suspicious activity indicative of exploitation attempts. 4. Use web application firewalls (WAFs) with rules designed to detect and block path traversal payloads targeting the ERP system. 5. Isolate the ERP application environment with least privilege file system permissions to limit the impact of any unauthorized file deletions. 6. Engage with the vendor or community to obtain patches or updates as soon as they become available, and apply them promptly. 7. Conduct regular security assessments and penetration testing focused on file handling functionalities. 8. If possible, implement network segmentation to limit exposure of the ERP system to untrusted networks. 9. Educate system administrators about this vulnerability and encourage vigilance for unusual system behavior or error logs related to file operations.